001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.duplications.detector.suffixtree;
021    
022    import java.util.ArrayList;
023    import java.util.List;
024    
025    public abstract class AbstractText implements Text {
026    
027      protected final List<Object> symbols;
028    
029      public AbstractText(int size) {
030        this.symbols = new ArrayList<Object>(size);
031      }
032    
033      public AbstractText(List<Object> symbols) {
034        this.symbols = symbols;
035      }
036    
037      public int length() {
038        return symbols.size();
039      }
040    
041      public Object symbolAt(int index) {
042        return symbols.get(index);
043      }
044    
045      public List<Object> sequence(int fromIndex, int toIndex) {
046        return symbols.subList(fromIndex, toIndex);
047      }
048    
049    }